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g100num [7]
3 years ago
11

Read the following article describing a current marine issue.

Biology
2 answers:
Gnom [1K]3 years ago
8 0

Answer:

1234 steps

Explanation:

1. State the problem - COTS is a pest in which this one eats coral tissues, posing a huge threat to the reef. so a Marine Science research the situation and could find out that coral cover on surveyed reefs had declined by about 50% over the past 30 years, in which it was the COTS fault.

2. Identify a hypothesis from the article - If Lisa finds eradication method for COTS, then the COTS might start to die.

3. Identify the procedures used in the experiment - So lisa searched for an eradication method for COTS that was cheap, easy to find and safe for everything less the star fish, so she used alcohol and vinegar, it was something easy to find and cheap.

4. Describe the results - Lisa used first the alcohol but she saw that it did not work, so she heard so rumors that other people used vinegar but they has not good result, so lisa refined the methods a little bit and then it turned out to work really well, after all it get to the conclusion that start fish were mostly water inside so they could not tolerate the acidity of the vinegar, in which this get to kill the star, in 24 hr only slime left.

alexgriva [62]3 years ago
3 0
1. The problem: THE DECLINING OF CORAL COVER OF REEFS.
Hypothesis: Vinegar can be used to kill crown of thorns star fish [COTS].
Procedure: The COTS were injected with 20 milliliters of household vinegar.
Result: All the COTS died within forty eight hours after they were injected.
2. When a new evidence is discovered, scientists ought to have an open mind about it and test it out to discover whether it is true or not. If the evidence is prove right, then necessary adjustments must be made to reflect the new evidence. This is very important because, science depend on continuous discovery.<span />
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